Table 2.
Distribution of presenting symptoms at the time of radiation therapy
| Domain | Number of cases | Percent of all cases* | Median duration (months)** | Prior surgery | New symptom post-op*** |
|---|---|---|---|---|---|
| Visual Acuity/Visual Field |
129 |
57.6% |
12.8 |
51.9% |
0.8% |
| Any Diplopia/Ptosis |
75 |
33.5% |
9.9 |
41.3% |
2.7% |
| Cranial Nerve III |
37 |
16.5% |
|||
| Cranial Nerve IV |
8 |
3.6% |
|||
| Cranial Nerve VI |
39 |
17.4% |
|||
| Unspecified |
20 |
8.9% |
|||
| Facial Sensation |
50 |
22.3% |
9.9 |
50.0% |
18.0% |
| Facial Weakness |
12 |
5.4% |
8.4 |
91.7% |
50.0% |
| Hearing |
34 |
15.2% |
13.6 |
50.0% |
17.6% |
| Balance |
32 |
14.3% |
12.9 |
43.8% |
6.3% |
| Tinnitus |
7 |
3.1% |
26.4 |
28.6% |
0 |
| Cranial Nerve IX -XII |
8 |
3.6% |
14.7 |
100% |
37.5% |
| Other |
61 |
27.2% |
9.7 |
45.9% |
3.3% |
| Asymptomatic | 19 | 8.5% | -- | 47.4% | -- |
* Do not add up to 100% because some patient presented with multiple symptoms.
**Duration of symptom prior to radiation therapy.
***Among cases with the specific deficit at radiation, percent where the symptom only appeared in the post-operative setting.